When we think about metal, we think about a solid object. However, metal like everything else in the world, is made up of atoms which are made up of even small parts. And all those electrons sometimes have a mind on their own. So what happens when you dip a rod of zinc in copper sulfate CuSO4 versus when you dip it in a tin chloride SnCl2 solution?
RANDOM DAY IN THE LIFE
Generally I plan everything we do for events and activities in Washington, DC. Partly because I love DC and it has so much...
I know it's s scary thought. Not knowing where your child is every single minute while out in public. But ask yourself -- when is it time to let them explore the world? Let them learn now while you're near or when they leave for adulthood and are surrounded by everyone but you?